java原創(chuàng)代碼 純java語(yǔ)言開(kāi)發(fā)的代碼

求一個(gè)JAVA程序 要原創(chuàng)的 大約150行即可

import java.io.BufferedReader;

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import java.io.IOException;

import java.io.InputStreamReader;

/**

* 功能描述：從控制臺(tái)輸入總投票數(shù)、候選人數(shù)，再輸入id,程序得出投票結(jié)果

*/

public class NoseCount {

/**

* @param args

* @throws IOException

*/

public static void main(String[] args) throws IOException {

// TODO 自動(dòng)生成方法存根

int maxResult = 1;// 記錄最大的票數(shù)

int maxResultId = 1;// 記錄票數(shù)最大的id

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

System.out.println("請(qǐng)輸入總投票數(shù):");

String s = br.readLine();

int total = Integer.parseInt(s);

System.out.println("請(qǐng)輸入候選人數(shù):");// 控制id的范圍

s = br.readLine();

int personNumber = Integer.parseInt(s);

int id[] = new int[personNumber + 1];// 記錄id號(hào)

int result[] = new int[personNumber + 1];// 記錄id為personNumber的票數(shù)

// 給id[]賦初值

for (int i = 0; i id.length; i++) {

id[i] = i;

}

// 給result[]賦初值0

for (int i = 0; i result.length; i++) {

result[i] = 0;

}

// 輸入id并開(kāi)始記錄票數(shù)

for (int i = total; i 0; i--) {

System.out.println("第" + (total + 1 - i) + "票 此次投票完畢還可投" + (i - 1)

+ "票\t查看目前投票結(jié)果輸入0\n請(qǐng)輸入候選人id：(1~" + personNumber + ")");

String idin = br.readLine();

int temp = Integer.parseInt(idin);

while ((temp 1temp!=0) || temp personNumber) {// 控制id只能為1~personNumber

System.out.println("候選人id只能為1~" + personNumber + ";查看結(jié)果輸入0;請(qǐng)重新輸入!");

idin = br.readLine();

temp = Integer.parseInt(idin);

}

if(temp==0){//查看結(jié)果

i++;

for (int j = 1; j result.length; j++) {

System.out.println("候選人:" + id[j] + "\t票數(shù)：" + result[j]);

}

}

result[temp] += 1;

}

// 找出最大的票數(shù),并記錄id

for (int i = 2; i result.length - 1; i++) {

maxResult = result[1];

if (result[i] maxResult) {

maxResultId = i;

maxResult = result[i];

}

}

// 打印所有候選人票數(shù)

for (int i = 1; i result.length; i++) {

System.out.println("候選人:" + id[i] + "\t票數(shù)：" + result[i]);

}

// 判斷最高票數(shù)的候選人是否唯一

int maxResultIdArrary[] = new int[id.length - 1];

int maxResultIdCount = 1;// 記錄最高票數(shù)的id的個(gè)數(shù)

for (int i = 1; i result.length; i++) {//result[0]=0,不參與記數(shù)與打印輸出

if (result[i] == maxResult i != maxResultId) {

maxResultIdArrary[maxResultIdCount - 1] = i;

maxResultIdCount++;

}

}

// 打印最高票數(shù)的候選人

if (maxResultIdCount == 1) {// 最高票數(shù)候選人唯一的輸出

System.out.println("恭喜！id為" + id[maxResultId] + "的候選人以最高票"

+ maxResult + "票獲勝!");

} else {

System.out.println("最高票數(shù)為：" + maxResult);

System.out.println("這些候選人是：");

System.out.print(maxResultId + ",");

for (int i = 0; i maxResultIdCount - 1; i++) {//由于maxResultIdCount的初始值為1故i maxResultIdCount - 1

System.out.print(maxResultIdArrary[i] + ",");

}

}

}

}

JAVA問(wèn)題，要原創(chuàng)，自己寫(xiě)的

//這道提自我認(rèn)為用到數(shù)據(jù)庫(kù)會(huì)更好但是不用也可以細(xì)節(jié)需要樓主注意

package?chen.save;

import?java.util.ArrayList;

import?java.util.List;

import?java.util.Scanner;

public?class?BankSingle

{

//實(shí)例化賬戶類1

static?Zhanghu?user1=new?Zhanghu("1001",2000);

//存款

public?static?void?savemoney()

{

Scanner?sc=new?Scanner(System.in);

System.out.print("請(qǐng)輸入你的賬號(hào):");

String?id=sc.next();

if(id.equals(user1.getUserid()))

{

System.out.print("\n請(qǐng)輸入存款金額");

double?savemoney=sc.nextDouble();

//得到余額

double?yumoney=user1.getMoney();

user1.setMoney(savemoney+yumoney);

System.out.print("存款成功");

System.out.println("存款后余額為"+user1.getMoney());

}

}

//取款

public??static?void?qumoney()

{

Scanner?sc=new?Scanner(System.in);

System.out.print("請(qǐng)輸入你的賬號(hào):");

String?id=sc.next();

if(id.equals(user1.getUserid()))

{

System.out.print("\n請(qǐng)輸入取款金額:");

double?qumoney=sc.nextDouble();

//得到余額

double?yumoney=user1.getMoney();

if(qumoneyyumoney)

{

System.out.println("取款不能大于余額請(qǐng)重新輸入:"):

qumoney=sc.nextDouble();

}

user1.setMoney(yumoney-qumoney);

System.out.print("取款成功");

System.out.println("取款后余額為"+user1.getMoney());

}

}

//查詢余額

public?static??void?select()

{

Scanner?sc=new?Scanner(System.in);

System.out.print("請(qǐng)輸入你的賬號(hào):");

String?id=sc.next();

if(id.equals(user1.getUserid()))

{

//得到余額

double?yumoney=user1.getMoney();

System.out.println("賬號(hào):"+id+"\t余額:"+yumoney);

}

}

//顯示賬號(hào)由于沒(méi)有用到數(shù)據(jù)庫(kù)只能這樣做

public?static??void?selectall()

{

ListZhanghu?all=new?ArrayListZhanghu();

all.add(user1);

for(Zhanghu?use:all)

{

System.out.println("賬戶："+use.getUserid());

}

}

public?static??void?main(String[]?args)

{

while(true)

{

int?i=bankmanger();

switch(i)

{

case?1:?savemoney();

break;

case?2:qumoney();

break;

case?3:select();

break;

case?4:selectall();

break;

}

}

}

//"存款"、"取款"、"查詢余額"和”顯示帳號(hào)”。定義主類

public?static?int?bankmanger()

{

Scanner?sc=new?Scanner(System.in);

System.out.println("1.存款:");

System.out.println("2.取款:");

System.out.println("3.查詢余額：");

System.out.println("4.顯示賬號(hào)：");

int?i=sc.nextInt();

return?i;

}

}

class?Zhanghu

{

private?String?userid;//賬號(hào)

private?double?money;//余額

public?String?getUserid()?{

return?userid;

}

public?void?setUserid(String?userid)?{

this.userid?=?userid;

}

public?double?getMoney()?{

return?money;

}

public?void?setMoney(double?money)?{

this.money?=?money;

}

public?Zhanghu(String?userid,?double?money)?{

super();

this.userid?=?userid;

this.money?=?money;

}

}

急求Java五子棋代碼。。。要絕對(duì)的原創(chuàng)（可以加分）

java網(wǎng)絡(luò)五子棋

下面的源代碼分為4個(gè)文件；

chessClient.java:客戶端主程序。

chessInterface.java:客戶端的界面。

chessPad.java:棋盤的繪制。

chessServer.java:服務(wù)器端。

可同時(shí)容納50個(gè)人同時(shí)在線下棋，聊天。

沒(méi)有加上詳細(xì)注釋，不過(guò)絕對(duì)可以運(yùn)行，j2sdk1.4下通過(guò)。

/*********************************************************************************************

1.chessClient.java

**********************************************************************************************/

import java.awt.*;

import java.awt.event.*;

import java.io.*;

import java.net.*;

import java.util.*;

class clientThread extends Thread

{

chessClient chessclient;

clientThread(chessClient chessclient)

{

this.chessclient=chessclient;

}

public void acceptMessage(String recMessage)

{

if(recMessage.startsWith("/userlist "))

{

StringTokenizer userToken=new StringTokenizer(recMessage," ");

int userNumber=0;

chessclient.userpad.userList.removeAll();

chessclient.inputpad.userChoice.removeAll();

chessclient.inputpad.userChoice.addItem("所有人");

while(userToken.hasMoreTokens())

{

String user=(String)userToken.nextToken(" ");

if(userNumber0 !user.startsWith("[inchess]"))

{

chessclient.userpad.userList.add(user);

chessclient.inputpad.userChoice.addItem(user);

}

userNumber++;

}

chessclient.inputpad.userChoice.select("所有人");

}

else if(recMessage.startsWith("/yourname "))

{

chessclient.chessClientName=recMessage.substring(10);

chessclient.setTitle("Java五子棋客戶端 "+"用戶名:"+chessclient.chessClientName);

}

else if(recMessage.equals("/reject"))

{

try

{

chessclient.chesspad.statusText.setText("不能加入游戲");

chessclient.controlpad.cancelGameButton.setEnabled(false);

chessclient.controlpad.joinGameButton.setEnabled(true);

chessclient.controlpad.creatGameButton.setEnabled(true);

}

catch(Exception ef)

{

chessclient.chatpad.chatLineArea.setText("chessclient.chesspad.chessSocket.close無(wú)法關(guān)閉");

}

chessclient.controlpad.joinGameButton.setEnabled(true);

}

else if(recMessage.startsWith("/peer "))

{

chessclient.chesspad.chessPeerName=recMessage.substring(6);

if(chessclient.isServer)

{

chessclient.chesspad.chessColor=1;

chessclient.chesspad.isMouseEnabled=true;

chessclient.chesspad.statusText.setText("請(qǐng)黑棋下子");

}

else if(chessclient.isClient)

{

chessclient.chesspad.chessColor=-1;

chessclient.chesspad.statusText.setText("已加入游戲，等待對(duì)方下子...");

}

}

else if(recMessage.equals("/youwin"))

{

chessclient.isOnChess=false;

chessclient.chesspad.chessVictory(chessclient.chesspad.chessColor);

chessclient.chesspad.statusText.setText("對(duì)方退出，請(qǐng)點(diǎn)放棄游戲退出連接");

chessclient.chesspad.isMouseEnabled=false;

}

else if(recMessage.equals("/OK"))

{

chessclient.chesspad.statusText.setText("創(chuàng)建游戲成功，等待別人加入...");

}

else if(recMessage.equals("/error"))

{

chessclient.chatpad.chatLineArea.append("傳輸錯(cuò)誤：請(qǐng)退出程序，重新加入 \n");

}

else

{

chessclient.chatpad.chatLineArea.append(recMessage+"\n");

chessclient.chatpad.chatLineArea.setCaretPosition(

chessclient.chatpad.chatLineArea.getText().length());

}

}

public void run()

{

String message="";

try

{

while(true)

{

message=chessclient.in.readUTF();

acceptMessage(message);

}

}

catch(IOException es)

{

}

}

}

public class chessClient extends Frame implements ActionListener,KeyListener

{

userPad userpad=new userPad();

chatPad chatpad=new chatPad();

controlPad controlpad=new controlPad();

chessPad chesspad=new chessPad();

inputPad inputpad=new inputPad();

Socket chatSocket;

DataInputStream in;

DataOutputStream out;

String chessClientName=null;

String host=null;

int port=4331;

boolean isOnChat=false; //在聊天？

boolean isOnChess=false; //在下棋？

boolean isGameConnected=false; //下棋的客戶端連接？

boolean isServer=false; //如果是下棋的主機(jī)

boolean isClient=false; //如果是下棋的客戶端

Panel southPanel=new Panel();

Panel northPanel=new Panel();

Panel centerPanel=new Panel();

Panel westPanel=new Panel();

Panel eastPanel=new Panel();

chessClient()

{

super("Java五子棋客戶端");

setLayout(new BorderLayout());

host=controlpad.inputIP.getText();

westPanel.setLayout(new BorderLayout());

westPanel.add(userpad,BorderLayout.NORTH);

westPanel.add(chatpad,BorderLayout.CENTER);

westPanel.setBackground(Color.pink);

inputpad.inputWords.addKeyListener(this);

chesspad.host=controlpad.inputIP.getText();

centerPanel.add(chesspad,BorderLayout.CENTER);

centerPanel.add(inputpad,BorderLayout.SOUTH);

centerPanel.setBackground(Color.pink);

controlpad.connectButton.addActionListener(this);

controlpad.creatGameButton.addActionListener(this);

controlpad.joinGameButton.addActionListener(this);

controlpad.cancelGameButton.addActionListener(this);

controlpad.exitGameButton.addActionListener(this);

controlpad.creatGameButton.setEnabled(false);

controlpad.joinGameButton.setEnabled(false);

controlpad.cancelGameButton.setEnabled(false);

southPanel.add(controlpad,BorderLayout.CENTER);

southPanel.setBackground(Color.pink);

addWindowListener(new WindowAdapter()

{

public void windowClosing(WindowEvent e)

{

if(isOnChat)

{

try

{

chatSocket.close();

}

catch(Exception ed)

{

}

}

if(isOnChess || isGameConnected)

{

try

{

chesspad.chessSocket.close();

}

catch(Exception ee)

{

}

}

System.exit(0);

}

public void windowActivated(WindowEvent ea)

{

}

});

add(westPanel,BorderLayout.WEST);

add(centerPanel,BorderLayout.CENTER);

add(southPanel,BorderLayout.SOUTH);

pack();

setSize(670,548);

setVisible(true);

setResizable(false);

validate();

}

public boolean connectServer(String serverIP,int serverPort) throws Exception

{

try

{

chatSocket=new Socket(serverIP,serverPort);

in=new DataInputStream(chatSocket.getInputStream());

out=new DataOutputStream(chatSocket.getOutputStream());

clientThread clientthread=new clientThread(this);

clientthread.start();

isOnChat=true;

return true;

}

catch(IOException ex)

{

chatpad.chatLineArea.setText("chessClient:connectServer:無(wú)法連接,建議重新啟動(dòng)程序 \n");

}

return false;

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==controlpad.connectButton)

{

host=chesspad.host=controlpad.inputIP.getText();

try

{

if(connectServer(host,port))

{

chatpad.chatLineArea.setText("");

controlpad.connectButton.setEnabled(false);

controlpad.creatGameButton.setEnabled(true);

controlpad.joinGameButton.setEnabled(true);

chesspad.statusText.setText("連接成功，請(qǐng)創(chuàng)建游戲或加入游戲");

}

}

catch(Exception ei)

{

chatpad.chatLineArea.setText("controlpad.connectButton:無(wú)法連接,建議重新啟動(dòng)程序 \n");

}

}

if(e.getSource()==controlpad.exitGameButton)

{

if(isOnChat)

{

try

{

chatSocket.close();

}

catch(Exception ed)

{

}

}

if(isOnChess || isGameConnected)

{

try

{

chesspad.chessSocket.close();

}

catch(Exception ee)

{

}

}

System.exit(0);

}

if(e.getSource()==controlpad.joinGameButton)

{

String selectedUser=userpad.userList.getSelectedItem();

if(selectedUser==null || selectedUser.startsWith("[inchess]") ||

selectedUser.equals(chessClientName))

{

chesspad.statusText.setText("必須先選定一個(gè)有效用戶");

}

else

{

try

{

if(!isGameConnected)

{

if(chesspad.connectServer(chesspad.host,chesspad.port))

{

isGameConnected=true;

isOnChess=true;

isClient=true;

controlpad.creatGameButton.setEnabled(false);

controlpad.joinGameButton.setEnabled(false);

controlpad.cancelGameButton.setEnabled(true);

chesspad.chessthread.sendMessage("/joingame "+userpad.userList.getSelectedItem()+" "+chessClientName);

}

}

else

{

isOnChess=true;

isClient=true;

controlpad.creatGameButton.setEnabled(false);

controlpad.joinGameButton.setEnabled(false);

controlpad.cancelGameButton.setEnabled(true);

chesspad.chessthread.sendMessage("/joingame "+userpad.userList.getSelectedItem()+" "+chessClientName);

}

}

catch(Exception ee)

{

isGameConnected=false;

isOnChess=false;

isClient=false;

controlpad.creatGameButton.setEnabled(true);

controlpad.joinGameButton.setEnabled(true);

controlpad.cancelGameButton.setEnabled(false);

chatpad.chatLineArea.setText("chesspad.connectServer無(wú)法連接 \n"+ee);

}

}

}

if(e.getSource()==controlpad.creatGameButton)

{

try

{

if(!isGameConnected)

{

if(chesspad.connectServer(chesspad.host,chesspad.port))

{

isGameConnected=true;

isOnChess=true;

isServer=true;

controlpad.creatGameButton.setEnabled(false);

controlpad.joinGameButton.setEnabled(false);

controlpad.cancelGameButton.setEnabled(true);

chesspad.chessthread.sendMessage("/creatgame "+"[inchess]"+chessClientName);

}

}

else

{

isOnChess=true;

isServer=true;

controlpad.creatGameButton.setEnabled(false);

controlpad.joinGameButton.setEnabled(false);

controlpad.cancelGameButton.setEnabled(true);

chesspad.chessthread.sendMessage("/creatgame "+"[inchess]"+chessClientName);

}

}

catch(Exception ec)

{

isGameConnected=false;

isOnChess=false;

isServer=false;

controlpad.creatGameButton.setEnabled(true);

controlpad.joinGameButton.setEnabled(true);

controlpad.cancelGameButton.setEnabled(false);

ec.printStackTrace();

chatpad.chatLineArea.setText("chesspad.connectServer無(wú)法連接 \n"+ec);

}

}

if(e.getSource()==controlpad.cancelGameButton)

{

if(isOnChess)

{

chesspad.chessthread.sendMessage("/giveup "+chessClientName);

chesspad.chessVictory(-1*chesspad.chessColor);

controlpad.creatGameButton.setEnabled(true);

controlpad.joinGameButton.setEnabled(true);

controlpad.cancelGameButton.setEnabled(false);

chesspad.statusText.setText("請(qǐng)建立游戲或者加入游戲");

}

if(!isOnChess)

{

controlpad.creatGameButton.setEnabled(true);

controlpad.joinGameButton.setEnabled(true);

controlpad.cancelGameButton.setEnabled(false);

chesspad.statusText.setText("請(qǐng)建立游戲或者加入游戲");

}

isClient=isServer=false;

}

}

public void keyPressed(KeyEvent e)

{

TextField inputWords=(TextField)e.getSource();

if(e.getKeyCode()==KeyEvent.VK_ENTER)

{

if(inputpad.userChoice.getSelectedItem().equals("所有人"))

{

try

{

out.writeUTF(inputWords.getText());

inputWords.setText("");

}

catch(Exception ea)

{

chatpad.chatLineArea.setText("chessClient:KeyPressed無(wú)法連接,建議重新連接 \n");

userpad.userList.removeAll();

inputpad.userChoice.removeAll();

inputWords.setText("");

controlpad.connectButton.setEnabled(true);

}

}

else

{

try

{

out.writeUTF("/"+inputpad.userChoice.getSelectedItem()+" "+inputWords.getText());

inputWords.setText("");

}

catch(Exception ea)

{

chatpad.chatLineArea.setText("chessClient:KeyPressed無(wú)法連接,建議重新連接 \n");

userpad.userList.removeAll();

inputpad.userChoice.removeAll();

inputWords.setText("");

controlpad.connectButton.setEnabled(true);

}

}

}

}

public void keyTyped(KeyEvent e)

{

}

public void keyReleased(KeyEvent e)

{

}

public static void main(String args[])

{

chessClient chessClient=new chessClient();

}

}

/******************************************************************************************

下面是：chessInteface.java

******************************************************************************************/

import java.awt.*;

import java.awt.event.*;

import java.io.*;

import java.net.*;

class userPad extends Panel

{

List userList=new List(10);

userPad()

{

setLayout(new BorderLayout());

for(int i=0;i50;i++)

{

userList.add(i+"."+"沒(méi)有用戶");

}

add(userList,BorderLayout.CENTER);

}

}

class chatPad extends Panel

{

TextArea chatLineArea=new TextArea("",18,30,TextArea.SCROLLBARS_VERTICAL_ONLY);

chatPad()

{

setLayout(new BorderLayout());

add(chatLineArea,BorderLayout.CENTER);

}

}

class controlPad extends Panel

{

Label IPlabel=new Label("IP",Label.LEFT);

TextField inputIP=new TextField("localhost",10);

Button connectButton=new Button("連接主機(jī)");

Button creatGameButton=new Button("建立游戲");

Button joinGameButton=new Button("加入游戲");

Button cancelGameButton=new Button("放棄游戲");

Button exitGameButton=new Button("關(guān)閉程序");

controlPad()

{

setLayout(new FlowLayout(FlowLayout.LEFT));

setBackground(Color.pink);

add(IPlabel);

add(inputIP);

add(connectButton);

add(creatGameButton);

add(joinGameButton);

add(cancelGameButton);

add(exitGameButton);

}

}

class inputPad extends Panel

{

TextField inputWords=new TextField("",40);

Choice userChoice=new Choice();

inputPad()

{

setLayout(new FlowLayout(FlowLayout.LEFT));

for(int i=0;i50;i++)

{

userChoice.addItem(i+"."+"沒(méi)有用戶");

}

userChoice.setSize(60,24);

add(userChoice);

add(inputWords);

}

}

/**********************************************************************************************

下面是：chessPad.java

**********************************************************************************************/

import java.awt.*;

import java.awt.event.*;

import java.io.*;

import java.net.*;

import java.util.*;

class chessThread extends Thread

{

chessPad chesspad;

chessThread(chessPad chesspad)

{

this.chesspad=chesspad;

}

public void sendMessage(String sndMessage)

{

try

{

chesspad.outData.writeUTF(sndMessage);

}

catch(Exception ea)

{

System.out.println("chessThread.sendMessage:"+ea);

}

}

public void acceptMessage(String recMessage)

{

if(recMessage.startsWith("/chess "))

{

StringTokenizer userToken=new StringTokenizer(recMessage," ");

String chessToken;

String[] chessOpt={"-1","-1","0"};

int chessOptNum=0;

while(userToken.hasMoreTokens())

{

chessToken=(String)userToken.nextToken(" ");

if(chessOptNum=1 chessOptNum=3)

{

chessOpt[chessOptNum-1]=chessToken;

}

chessOptNum++;

}

chesspad.netChessPaint(Integer.parseInt(chessOpt[0]),Integer.parseInt(chessOpt[1]),Integer.parseInt(chessOpt[2]));

}

else if(recMessage.startsWith("/yourname "))

{

chesspad.chessSelfName=recMessage.substring(10);

}

else if(recMessage.equals("/error"))

{

chesspad.statusText.setText("錯(cuò)誤:沒(méi)有這個(gè)用戶，請(qǐng)退出程序，重新加入");

}

else

{

//System.out.println(recMessage);

}

}

public void run()

{

String message="";

try

{

while(true)

{

message=chesspad.inData.readUTF();

acceptMessage(message);

}

}

catch(IOException es)

{

}

}

}

class chessPad extends Panel implements MouseListener,ActionListener

{

int chessPoint_x=-1,chessPoint_y=-1,chessColor=1;

int chessBlack_x[]=new int[200];

int chessBlack_y[]=new int[200];

int chessWhite_x[]=new int[200];

int chessWhite_y[]=new int[200];

int chessBlackCount=0,chessWhiteCount=0;

int chessBlackWin=0,chessWhiteWin=0;

boolean isMouseEnabled=false,isWin=false,isInGame=false;

TextField statusText=new TextField("請(qǐng)先連接服務(wù)器");

Socket chessSocket;

DataInputStream inData;

DataOutputStream outData;

String chessSelfName=null;

String chessPeerName=null;

String host=null;

int port=4331;

chessThread chessthread=new chessThread(this);

chessPad()

{

setSize(440,440);

setLayout(null);

setBackground(Color.pink);

addMouseListener(this);

add(statusText);

statusText.setBounds(40,5,360,24);

statusText.setEditable(false);

}

public boolean connectServer(String ServerIP,int ServerPort) throws Exception

{

try

{

chessSocket=new Socket(ServerIP,ServerPort);

inData=new DataInputStream(chessSocket.getInputStream());

outData=new DataOutputStream(chessSocket.getOutputStream());

chessthread.start();

return true;

}

catch(IOException ex)

{

statusText.setText("chessPad:connectServer:無(wú)法連接 \n");

}

return false;

}

public void chessVictory(int chessColorWin)

{

this.removeAll();

for(int i=0;i=chessBlackCount;i++)

{

chessBlack_x[i]=0;

chessBlack_y[i]=0;

}

for(int i=0;i=chessWhiteCount;i++)

{

chessWhite_x[i]=0;

chessWhite_y[i]=0;

}

chessBlackCount=0;

chessWhiteCount=0;

add(statusText);

statusText.setBounds(40,5,360,24);

if(chessColorWin==1)

{ chessBlackWin++;

statusText.setText("黑棋勝,黑:白為"+chessBlackWin+":"+chessWhiteWin+",重新開(kāi)局,等待白棋下子...");

}

else if(chessColorWin==-1)

{

chessWhiteWin++;

statusText.setText("白棋勝,黑:白為"+chessBlackWin+":"+chessWhiteWin+",重新開(kāi)局,等待黑棋下子...");

}

}

public void getLocation(int a,int b,int color)

{

if(color==1)

{

chessBlack_x[chessBlackCount]=a*20;

chessBlack_y[chessBlackCount]=b*20;

chessBlackCount++;

}

else if(color==-1)

{

chessWhite_x[chessWhiteCount]=a*20;

chessWhite_y[chessWhiteCount]=b*20;

chessWhiteCount++;

}

}

public boolean checkWin(int a,int b,int checkColor)

{

int step=1,chessLink=1,chessLinkTest=1,chessCompare=0;

if(checkColor==1)

{

chessLink=1;

for(step=1;step=4;step++)

{

for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)

{

if(((a+step)*20==chessBlack_x[chessCompare]) ((b*20)==chessBlack_y[chessCompare]))

{

chessLink=chessLink+1;

if(chessLink==5)

{

return(true);

}

}

}

if(chessLink==(chessLinkTest+1))

chessLinkTest++;

else

break;

}

for(step=1;step=4;step++)

{

for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)

{

if(((a-step)*20==chessBlack_x[chessCompare]) (b*20==chessBlack_y[chessCompare]))

{

chessLink++;

if(chessLink==5)

{

return(true);

}

}

}

if(chessLink==(chessLinkTest+1))

chessLinkTest++;

else

break;

}

chessLink=1;

chessLinkTest=1;

for(step=1;step=4;step++)

{

for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)

{

if((a*20==chessBlack_x[chessCompare]) ((b+step)*20==chessBlack_y[chessCompare]))

{

chessLink++;

if(chessLink==5)

{

return(true);

}

}

}

if(chessLink==(chessLinkTest+1))

chessLinkTest++;

else

break;

}

for(step=1;step=4;step++)

{

for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)

{

if((a*20==chessBlack_x[chessCompare]) ((b-step)*20==chessBlack_y[chessCompare]))

{

chessLink++;

if(chessLink==5)

{

return(true);

}

}

}

if(chessLink==(chessLinkTest+1))

chessLinkTest++;

else

break;

}

chessLink=1;

chessLinkTest=1;

for(step=1;step=4;step++)

{

for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)

{

if(((a-step)*20==chessBlack_x[chessCompare]) ((b+step)*20==chessBlack_y[chessCompare]))

{

chessLink++;

if(chessLink==5)

{

return(true);

}

}

}

if(chessLink==(chessLinkTest+1))

chessLinkTest++;

else

break;

}

for(step=1;step=4;step++)

{

for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)

{

if(((a+step)*20==chessBlack_x[chessCompare]) ((b-step)*20==chessBlack_y[chessCompare]))

{

chessLink++;

if(chessLink==5)

{

return(true);

}

}

}

if(chessLink==(chessLinkTest+1))

chessLinkTest++;

else

break;

}

chessLink=1;

chessLinkTest=1;

for(step=1;step=4;step++)

{

for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)

{

if(((a+step)*20==chessBlack_x[chessCompare]) ((b+step)*20==chessBlack_y[chessCompare]))

{

chessLink++;

if(chessLink==5)

{

return(true);

}

}

}

if(chessLink==(chessLinkTest+1))

chessLinkTest++;

else

break;

}

for(step=1;step=4;step++)

{

for(chessCompare=0;chessCompare=chessBlackCount;chessCompare++)

{

if(((a-step)*20==chessBlack_x[chessCompare]) ((b-step)*20==chessBlack_y[chessCompare]))

{

chessLink++;

if(chessLink==5)

{

return(true);

}

}

java簡(jiǎn)單記事本源代碼 帶解釋

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.border.*;

class test implements ActionListener

{

JFrame frame;

JButton b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12,b13,b14,b15,b16,b17,b18,b19,b20,b21,b22,b23,b24,b25,b26,b27,b28,b29,b30,b31;

JTextArea ta;

JPanel p1,p2,p3,p4;

JMenuBar mb;

JMenu m1,m2,m3;

JMenuItem mt1,mt2,mt3,mt4,mt5,mt6,mt7;

JRadioButton rb1,rb2;

ButtonGroup bg;

Double d1=0.0,d2=0.0,d3=0.0,d4=1.0,d5=1.0;

String s1="",s2="",s3="",s4="";

int a=0;

char c1;

int i=0;

public static void main(String[] args)

{

test that=new test();

that.go();

}

public void go()

{

frame=new JFrame("計(jì)算器");

Container cp= frame.getContentPane();

cp.setLayout(new FlowLayout());

b1=new JButton("7");b2=new JButton("8");b3=new JButton("9");b4=new JButton("/");b5=new JButton("1/x");b6=new JButton("sin");b7=new JButton("log");

b8=new JButton("4");b9=new JButton("5");b10=new JButton("6");b11=new JButton("*");b12=new JButton("x^y");b13=new JButton("cos");b14=new JButton("ln");

b15=new JButton("1");b16=new JButton("2");b17=new JButton("3");b18=new JButton("-");b19=new JButton(new ImageIcon("lanying.gif"));b20=new JButton("tan");b21=new JButton("x^3");

b22=new JButton("0");b23=new JButton("+/-");b24=new JButton(".");b25=new JButton("+");b26=new JButton("√x");b27=new JButton("cot");b28=new JButton("x^2");

b29=new JButton("Backspace");b30=new JButton("C");b31=new JButton("=");

mb=new JMenuBar();

m1=new JMenu("文件(F)");m2=new JMenu("編輯(E)");m3=new JMenu("幫助(H)");

mt1=new JMenuItem("清零");mt2=new JMenuItem("退出");mt3=new JMenuItem("復(fù)制");mt4=new JMenuItem("粘貼");mt5=new JMenuItem("版本");mt6=new JMenuItem("標(biāo)準(zhǔn)型");mt7=new JMenuItem("科學(xué)型");

ta=new JTextArea(1,30);

p1=new JPanel();p2=new JPanel();p3=new JPanel();p4=new JPanel();

rb1=new JRadioButton("科學(xué)型");rb2=new JRadioButton("標(biāo)準(zhǔn)型");

bg=new ButtonGroup();

b1.setForeground(Color.blue);b1.setBackground(Color.white);b2.setForeground(Color.blue);b2.setBackground(Color.white);

b3.setForeground(Color.blue);b3.setBackground(Color.white);b8.setForeground(Color.blue);b8.setBackground(Color.white);

b9.setForeground(Color.blue);b9.setBackground(Color.white);b10.setForeground(Color.blue);b10.setBackground(Color.white);

b15.setForeground(Color.blue);b15.setBackground(Color.white);b16.setForeground(Color.blue);b16.setBackground(Color.white);

b17.setForeground(Color.blue);b17.setBackground(Color.white);b22.setForeground(Color.blue);b22.setBackground(Color.white);

b23.setForeground(Color.blue);b23.setBackground(Color.white);b24.setForeground(Color.blue);b24.setBackground(Color.white);

b4.setForeground(Color.red);b4.setBackground(Color.white);b11.setForeground(Color.red);b11.setBackground(Color.white);

b18.setForeground(Color.red);b18.setBackground(Color.white);b25.setForeground(Color.red);b25.setBackground(Color.white);

b5.setForeground(Color.blue);b5.setBackground(Color.white);b6.setForeground(Color.blue);b6.setBackground(Color.white);

b7.setForeground(Color.blue);b7.setBackground(Color.white);b12.setForeground(Color.blue);b12.setBackground(Color.white);

b13.setForeground(Color.blue);b13.setBackground(Color.white);b14.setForeground(Color.blue);b14.setBackground(Color.white);

b19.setForeground(Color.blue);b19.setBackground(Color.white);b20.setForeground(Color.blue);b20.setBackground(Color.white);

b21.setForeground(Color.blue);b21.setBackground(Color.white);b26.setForeground(Color.blue);b26.setBackground(Color.white);

b27.setForeground(Color.blue);b27.setBackground(Color.white);b28.setForeground(Color.blue);b28.setBackground(Color.white);

b29.setForeground(Color.red);b29.setBackground(Color.white);b30.setForeground(Color.red);b30.setBackground(Color.white);

b31.setForeground(Color.red);b31.setBackground(Color.white);

bg.add(rb1);bg.add(rb2);

p1.setBackground(Color.yellow);

cp.setBackground(Color.CYAN);

m1.setMnemonic(KeyEvent.VK_F);m2.setMnemonic(KeyEvent.VK_E);m3.setMnemonic(KeyEvent.VK_H);

m1.add(mt6);m1.add(mt7);m1.addSeparator();m1.add(mt1);m1.addSeparator();m1.add(mt2);m2.add(mt3);m2.addSeparator();m2.add(mt4);m3.add(mt5);

mb.add(m1);mb.add(m2);mb.add(m3);

frame.setJMenuBar(mb);

p2.setLayout(new GridLayout(4,7));

p3.setLayout(new GridLayout(1,3));

ta.setEditable(false);

p1.add(ta);

p2.add(b1);p2.add(b2);p2.add(b3);p2.add(b4);p2.add(b5);p2.add(b6);p2.add(b7);

p2.add(b8);p2.add(b9);p2.add(b10);p2.add(b11);p2.add(b12);p2.add(b13);p2.add(b14);

p2.add(b15);p2.add(b16);p2.add(b17);p2.add(b18);p2.add(b19);p2.add(b20);p2.add(b21);

p2.add(b22);p2.add(b23);p2.add(b24);p2.add(b25);p2.add(b26);p2.add(b27);p2.add(b28);

p3.add(b29);p3.add(b30);p3.add(b31);

Border etched=BorderFactory.createEtchedBorder();

Border border=BorderFactory.createTitledBorder(etched,"計(jì)算類型");

p4.add(rb1);p4.add(rb2);

p4.setBorder(border);

b2.setActionCommand("8");

b2.addActionListener(this);

cp.add(p1);cp.add(p4);cp.add(p2);cp.add(p3);

frame.setSize(400,330);

frame.setVisible(true);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

b1.setActionCommand("7");

b1.addActionListener(this);

b2.setActionCommand("8");

b2.addActionListener(this);

b3.setActionCommand("9");

b3.addActionListener(this);

b4.setActionCommand("/");

b4.addActionListener(this);

b5.setActionCommand("1/x");

b5.addActionListener(this);

b6.setActionCommand("sin");

b6.addActionListener(this);

b7.setActionCommand("log");

b7.addActionListener(this);

b8.setActionCommand("4");

b8.addActionListener(this);

b9.setActionCommand("5");

b9.addActionListener(this);

b10.setActionCommand("6");

b10.addActionListener(this);

b11.setActionCommand("*");

b11.addActionListener(this);

b12.setActionCommand("x^y");

b12.addActionListener(this);

b13.setActionCommand("cos");

b13.addActionListener(this);

b14.setActionCommand("ln");

b14.addActionListener(this);

b15.setActionCommand("1");

b15.addActionListener(this);

b16.setActionCommand("2");

b16.addActionListener(this);

b17.setActionCommand("3");

b17.addActionListener(this);

b18.setActionCommand("-");

b18.addActionListener(this);

b19.setActionCommand("x!");

b19.addActionListener(this);

b20.setActionCommand("tan");

b20.addActionListener(this);

b21.setActionCommand("x^3");

b21.addActionListener(this);

b22.setActionCommand("0");

b22.addActionListener(this);

b23.setActionCommand("+/-");

b23.addActionListener(this);

b24.setActionCommand(".");

b24.addActionListener(this);

b25.setActionCommand("+");

b25.addActionListener(this);

b26.setActionCommand("√x");

b26.addActionListener(this);

b27.setActionCommand("cot");

b27.addActionListener(this);

b28.setActionCommand("x^2");

b28.addActionListener(this);

b29.setActionCommand("Backspace");

b29.addActionListener(this);

b30.setActionCommand("C");

b30.addActionListener(this);

b31.setActionCommand("=");

b31.addActionListener(this);

rb1.setActionCommand("kxx");

rb1.addActionListener(this);

rb2.setActionCommand("bzx");

rb2.addActionListener(this);

}

public void actionPerformed(ActionEvent e) //throws Exception

{

if (e.getActionCommand()=="bzx")

{

b5.setEnabled(false);b6.setEnabled(false);b7.setEnabled(false);

b12.setEnabled(false);b13.setEnabled(false);b14.setEnabled(false);

b19.setEnabled(false);b20.setEnabled(false);b21.setEnabled(false);

b26.setEnabled(false);b27.setEnabled(false);b28.setEnabled(false);

}

if (e.getActionCommand()=="kxx")

{

b5.setEnabled(true);b6.setEnabled(true);b7.setEnabled(true);

b12.setEnabled(true);b13.setEnabled(true);b14.setEnabled(true);

b19.setEnabled(true);b20.setEnabled(true);b21.setEnabled(true);

b26.setEnabled(true);b27.setEnabled(true);b28.setEnabled(true);

}

if (e.getActionCommand()=="1")

{

ta.append("1");

}

if (e.getActionCommand()=="2")

{

ta.append("2");

}

if (e.getActionCommand()=="3")

{

ta.append("3");

}

if (e.getActionCommand()=="4")

{

ta.append("4");

}

if (e.getActionCommand()=="5")

{

ta.append("5");

}

if (e.getActionCommand()=="6")

{

ta.append("6");

}

if (e.getActionCommand()=="7")

{

ta.append("7");

}

if (e.getActionCommand()=="8")

{

ta.append("8");

}

if (e.getActionCommand()=="9")

{

ta.append("9");

}

if (e.getActionCommand()=="0")

{

ta.append("0");

}

if (e.getActionCommand()=="+")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

ta.setText("");

i=1;

}

if (e.getActionCommand()=="-")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

ta.setText("");

i=2;

}

if (e.getActionCommand()=="*")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

ta.setText("");

i=3;

}

if (e.getActionCommand()=="/")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

ta.setText("");

i=4;

}

if (e.getActionCommand()=="=")

{

s2=ta.getText();

d2=Double.parseDouble(s2);

if(i==1)

{

d3=d1+d2;

ta.setText( d3.toString());

}

if(i==2)

{

d3=d1-d2;

ta.setText( d3.toString());

}

if(i==3)

{

d3=d1*d2;

ta.setText( d3.toString());

}

if(i==4)

{

if(d2==0.0)

ta.setText("ERROR");

else

{

d3=d1/d2;

ta.setText( d3.toString());

}

}

if (i==5)

{

s2=ta.getText();

d2 = Double.parseDouble(s2);

for (int l=1;l=d2 ; l++)

{

d5=d5*d1;

}

ta.setText( d5.toString());

}

}

if (e.getActionCommand()=="C")

{

ta.setText("");

d4=1.0;

d5=1.0;

}

/*if (e.getActionCommand()=="Backspace")

{

s3=ta.getText();

a=s3.length();

//ta.cut(ta.select(a-1,a));

s4=ta.getText(1,3);

ta.setText(s4);

}

*/

if (e.getActionCommand()=="1/x")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

d2=1/d1;

ta.setText( d2.toString());

}

if (e.getActionCommand()==".")

{

ta.append(".");

}

if (e.getActionCommand()=="+/-")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

d2=0-d1;

ta.setText( d2.toString());

}

if (e.getActionCommand()=="x^2")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

d2=d1*d1;

ta.setText( d2.toString());

}

if (e.getActionCommand()=="x^3")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

d2=d1*d1*d1;

ta.setText( d2.toString());

}

if (e.getActionCommand()=="x^y")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

ta.setText("");

i=5;

// d2=d1*d1*d1;

// ta.setText( d2.toString());

}

if (e.getActionCommand()=="√x")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

d2=Math.sqrt(d1);

ta.setText( d2.toString());

}

if (e.getActionCommand()=="x!")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

if (d10)

{

ta.setText( "error");

}

else if (d1==0)

{

ta.setText( "0.0");

}

else {

for (int k=1;k=d1 ;k++ )

d4=d4*k;

ta.setText( d4.toString());

}

}

if (e.getActionCommand()=="sin")

{

s1=ta.getText();

d1 = Double.parseDouble(s1);

d2=Math.sin(3.1415926*d1/180);

ta.setText( d2.toString());

}

}

}

JAVA 編寫(xiě)計(jì)算器 要代碼最簡(jiǎn)單的

學(xué)java的時(shí)候自己編的，很簡(jiǎn)單，能夠連續(xù)輸入計(jì)算式后進(jìn)行計(jì)算

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.FlowLayout;

import java.awt.Font;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.text.NumberFormat;

import java.util.ArrayList;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JTextField;

/**簡(jiǎn)易計(jì)算器，能夠進(jìn)行簡(jiǎn)單的計(jì)算

*

* @see 2008.12.9

*/

public class CalculatorA

implements ActionListener{

private JFrame frame;

private JTextField field;

private JButton[] allButtons;

private JButton clearButton;

// private JButton backButton;

String result="";//保存結(jié)果

StringBuilder sb = new StringBuilder();//保存要進(jìn)行的計(jì)算式

int x = 0; //用來(lái)判斷上一次的事件類型

String str = "123+456-789*0.=/";

ArrayListString arrayList = new ArrayListString();//保存計(jì)算式，通過(guò)方法進(jìn)行運(yùn)算

public CalculatorA(){

frame = new JFrame("我的計(jì)算器v1.1");

frame.setLocation(300,300);

field = new JTextField(25);

allButtons = new JButton[16];

for(int i=0;iallButtons.length;i++){

allButtons[i]= new JButton(str.substring(i,i+1));

}

clearButton = new JButton("CLEAR");

// backButton = new JButton("——");

init();

setFondAndColor();

addEventHander();

}

public void init(){

frame.setLayout(new BorderLayout());

JPanel northPanel = new JPanel();

JPanel centerPanel = new JPanel();

JPanel southPanel = new JPanel();

northPanel.setLayout(new FlowLayout());

centerPanel.setLayout(new GridLayout(4,4));

southPanel.setLayout(new FlowLayout());

northPanel.add(field);

for(int i=0;iallButtons.length;i++){

centerPanel.add(allButtons[i]);

}

southPanel.add(clearButton);

//southPanel.add(backButton);

frame.add(northPanel,BorderLayout.NORTH);

frame.add(centerPanel,BorderLayout.CENTER);

frame.add(southPanel,BorderLayout.SOUTH);

}

//設(shè)置輸入字體

public void setFondAndColor(){

field.setFont(new Font("宋體",Font.BOLD,24));

field.setBackground(new Color(100,200,200));

field.setForeground(Color.RED);

//設(shè)置字體從右起始

field.setHorizontalAlignment(JTextField.RIGHT);

}

public void showMi(){

frame.pack();

frame.setResizable(false);

frame.setVisible(true);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

public void addEventHander(){

for(int i=0;iallButtons.length;i++){

allButtons[i].addActionListener(this);

}

clearButton.addActionListener(this);

// backButton.addActionListener(this);

}

@Override

public void actionPerformed(ActionEvent e) {

String str = e.getActionCommand();//取得當(dāng)前事件返回的值

if("0123456789.".indexOf(str)!=-1){

if(x == 0){ //當(dāng)x為0時(shí)表示還沒(méi)有進(jìn)行輸入

result=str;

sb.append(str);

field.setText(str);

x = 1;

}

else if(x == 1){

result = result +str;

sb.append(str);

field.setText(result);

x = 1;

}

else if(x == 2){

sb.delete(0,sb.length());

result = result+str;

sb.append(str);

field.setText(result);

x = 1;

}

else if(x == 3){

result = str;

sb.delete(0,sb.length());

arrayList.clear();

field.setText(str);

sb.append(str);

field.setText(str);

x = 1;

}

else if(x == 4){

result ="";

sb.delete(0,sb.length());

arrayList.clear();

result = str;

sb.append(str);

field.setText(str);

x = 1;

}

else{

result = result +str;

sb.append(str);

field.setText(result);

x = 1;

}

}

else if("+*-/".indexOf(str)!=-1){

if(x == 0){

field.setText("");

x = 2;

}

else if(x == 1){

result = result + str;

arrayList.add(sb.toString());

arrayList.add(str);

sb.append(str);

field.setText(result);

x = 2;

}

else if(x == 2){

x = 2;

}

else if(x == 3){

field.setText(result+str);

arrayList.add(result);

arrayList.add(str);

result = result+str;

x = 2;

}

else if(x == 4){

result ="";

sb.delete(0,sb.length());

arrayList.clear();

x = 2;

}

else{

field.setText(result+str);

arrayList.add(result);

arrayList.add(str);

result = result+str;

x = 2;

}

}

else if("=".equals(str)){

if(x == 0){

field.setText("0");

arrayList.clear();

result = "0";

x = 3;

}

else if(x == 1){

try{

arrayList.add(sb.toString());

arrayList = getResult(arrayList);

result = arrayList.get(0);

field.setText(result);

arrayList.clear();

x = 3;

}catch(Exception e1){

field.setText("數(shù)據(jù)格式異常");

x = 0;

}

}

else if(x == 2){

field.setText("數(shù)據(jù)格式錯(cuò)誤.....");

arrayList.clear();

x = 0;

}

else if(x == 3){

field.setText(result);

x = 3;

}

else if(x == 4){

result ="";

sb.delete(0,sb.length());

arrayList.clear();

x = 3;

}

else {

try{

arrayList.add(sb.toString());

arrayList = getResult(arrayList);

result = arrayList.get(0);

field.setText(result);

arrayList.clear();

x = 3;

}catch(Exception e1){

field.setText("數(shù)據(jù)格式異常");

x = 0;

}

}

}

else if("CLEAR".equals(str)){

arrayList.clear();

field.setText("0");

arrayList.add("0");

x = 4;

}

else{

if(result.length()1){

result = result.substring(0,result.length()-1);

if(sb.length()0){

sb.delete(sb.length()-1,sb.length());

}

else {

sb.delete(0,1);

}

field.setText(result);

x = 5;

}

else{

result = "";

sb.delete(0,sb.length());

arrayList.clear();

field.setText("0");

x = 0;

}

}

}

public static ArrayListString getResult(ArrayListString list){

String res = null;

String[] s = {"/","*","-","+"};

int i=0;

if(list.size()1){

for(;is.length;){

if(s[i].equals("/")){

for(int j=0;jlist.size();j++){

if(list.get(j).equals(s[i])){

res = Double.toString(Double.parseDouble(list.get(j-1))/Double.parseDouble(list.get(j+1)));

//本地的數(shù)據(jù)格式

NumberFormat nf = NumberFormat.getInstance();

res = nf.format(Double.parseDouble(res));

res = getChange(res);

list.set(j-1,res);

list.remove(j);

list.remove(j);

getResult(list);

}

}

i++;

}

else if(s[i].equals("*")){

for(int j=0;jlist.size();j++){

if(list.get(j).equals(s[i])){

res = Double.toString(Double.parseDouble(list.get(j-1))*Double.parseDouble(list.get(j+1)));

NumberFormat nf = NumberFormat.getInstance();

res = nf.format(Double.parseDouble(res));

res = getChange(res);

list.set(j-1,res);

list.remove(j);

list.remove(j);

getResult(list);

}

}

i++;

}

else if(s[i].equals("-")){

for(int j=0;jlist.size();j++){

if(list.get(j).equals(s[i])){

res = Double.toString(Double.parseDouble(list.get(j-1))-Double.parseDouble(list.get(j+1)));

NumberFormat nf = NumberFormat.getNumberInstance();

res = nf.format(Double.parseDouble(res));

res = getChange(res);

list.set(j-1,res);

list.remove(j);

list.remove(j);

getResult(list);

}

}

i++;

}

else {

for(int j=0;jlist.size();j++){

if(list.get(j).equals(s[i])){

res = Double.toString(Double.parseDouble(list.get(j-1))+Double.parseDouble(list.get(j+1)));

NumberFormat nf = NumberFormat.getInstance();

res = nf.format(Double.parseDouble(res));

res = getChange(res);

list.set(j-1,res);

list.remove(j);

list.remove(j);

getResult(list);

}

}

i++;

}

}

}

return list;

}

//對(duì)數(shù)字字符串進(jìn)行排除不必要符號(hào)

public static String getChange(String res){

String s_temp = "";

char[] c = new char[res.length()];

for(int k=0;kc.length;k++){

c[k] = res.charAt(k);

}

for(int k=0;kc.length;k++){

if((c[k]= '0' c[k]= '9')|| c[k] == '.'){

s_temp += c[k];

}

}

return s_temp;

}

public static void main(String[] args){

new CalculatorA().showMi();

}

}

本文標(biāo)題：java原創(chuàng)代碼 純java語(yǔ)言開(kāi)發(fā)的代碼
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